Please enter your username and press "Begin" to start the experiment.
One piece of music will be played. It will be played on repeat, or you can press "Next" button to try a new one.
You can also press "Stop/Resume" to stop the music and take a rest. Resume the music by pressing the button again.
The experiment will end in less than 30 minutes. You can also press "Quit" to end the experiment earlier.